619622 has 4 divisors (see below), whose sum is σ = 929436. Its totient is φ = 309810.

The previous prime is 619621. The next prime is 619657. The reversal of 619622 is 226916.

619622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 619591 and 619600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (619621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154904 + ... + 154907.

It is an arithmetic number, because the mean of its divisors is an integer number (232359).

2⁶¹⁹⁶²² is an apocalyptic number.

619622 is a deficient number, since it is larger than the sum of its proper divisors (309814).

619622 is a wasteful number, since it uses less digits than its factorization.

619622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309813.

The product of its digits is 1296, while the sum is 26.

The square root of 619622 is about 787.1607205647. The cubic root of 619622 is about 85.2528572068.

The spelling of 619622 in words is "six hundred nineteen thousand, six hundred twenty-two".